Is Griffin a good power bank?

At $45, the Griffin Reserve Power Bank is a reasonably affordable portable battery that’s capable of charging more than one device at the same time. But it does so at slower speeds than other batteries. The Anker PowerCore II is lighter and faster, making it a better choice for the price.

How does a Griffin reserve power bank work?

Reserve Power Banks deliver safe, dependable power. Then connect your Lightning cable – or the micro-USB cable that ships with each Reserve Power Bank – to recharge your smartphone or wearable. The standard USB port delivers 5 watts of charging power (5 volts at 1 amp) for fast, safe charging.

Is power bank harmful for mobile battery?

You can keep your phones, tablets and various other devices charged with power banks while you are on the go. Using the wrong voltage to charge your mobile phone can cause serious damage to the battery life of your smartphone. Therefore, it is suggested to use a high-quality and branded power bank.

How much charge is 2500mAh?

Holds 2500mAh – enough for up to 1 charges. 3 hours recharge time.

How long should a 4000mAh battery last?

A 4000mAh battery life can last up to 4,000 hours, depending on the current required by the object being powered (measured in mA). You can calculate the battery life by dividing the capacity of the battery by the current required by the object.

What is the Griffin reserve power bank?

Available in four different versions, the Griffin Reserve Power Bank provides dependable power for any of your everyday devices in safe efficient manner. Griffin only uses safety-certified Lithium-Ion batteries that are safe on the ground or in-flight, and after testing over the past few weeks it’s been very helpful.

What type of battery does Griffin use?

Griffin only uses safety-certified Lithium-Ion batteries that are safe on the ground or in-flight, and after testing over the past few weeks it’s been very helpful.

How many Mah does a power bank charge?

Reserve Power Bank 5,200 mAh – Provides up to two and a half charges for an average smartphone – Provides up to 75% charge for a large tablet Reserve Power Bank 9,000 mAh – Provides up to four and a half charges for an average smartphone – Provides up to one and a half charges for a large tablet

What are the reserve power banks made of?

Secured in a drop-tested polycarbonate shell, the Reserve Power Banks are durable enough to take a tumble on the floor, all while not being a hand-warmer in your pocket (which is certainly not its purpose). Each of the four power banks sports different sizes including: